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org.ematgine.utils.concurrent
Class WaitableInt  

java.lang.Object
  org.ematgine.utils.concurrent.SynchronizedVariable
      org.ematgine.utils.concurrent.SynchronizedInt
          org.ematgine.utils.concurrent.WaitableInt

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Comparable, Executor

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public class WaitableInt

extends SynchronizedInt

A class useful for offloading waiting and signalling operations on single int variables.

[ Introduction to this package. ]

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Field Summary

 

Fields inherited from class org.ematgine.utils.concurrent.SynchronizedInt

value_

 

Fields inherited from class org.ematgine.utils.concurrent.SynchronizedVariable

lock_

 

Constructor Summary

WaitableInt(int initialValue)           Make a new WaitableInt with the given initial value, and using its own internal lock.

WaitableInt(int initialValue, java.lang.Object lock)           Make a new WaitableInt with the given initial value, and using the supplied lock.

 

Method Summary
int	add(int amount)           Add amount to value (i.e., set value += amount)
boolean	commit(int assumedValue, int newValue)           Set value to newValue only if it is currently assumedValue.
int	decrement()           Decrement the value.
int	divide(int factor)           Divide value by factor (i.e., set value /= factor)
int	increment()           Increment the value.
int	multiply(int factor)           Multiply value by factor (i.e., set value *= factor)
int	set(int newValue)           Set to newValue.
int	subtract(int amount)           Subtract amount from value (i.e., set value -= amount)
void	whenEqual(int c, java.lang.Runnable action)           Wait until value equals c, then run action if nonnull.
void	whenGreater(int c, java.lang.Runnable action)           wait until value greater than c, then run action if nonnull.
void	whenGreaterEqual(int c, java.lang.Runnable action)           wait until value greater than or equal to c, then run action if nonnull.
void	whenLess(int c, java.lang.Runnable action)           wait until value less than c, then run action if nonnull.
void	whenLessEqual(int c, java.lang.Runnable action)           wait until value less than or equal to c, then run action if nonnull.
void	whenNotEqual(int c, java.lang.Runnable action)           wait until value not equal to c, then run action if nonnull.

 

Methods inherited from class org.ematgine.utils.concurrent.SynchronizedInt

and, compareTo, compareTo, compareTo, complement, equals, get, hashCode, negate, or, swap, toString, xor

 

Methods inherited from class org.ematgine.utils.concurrent.SynchronizedVariable

execute, getLock

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Constructor Detail

WaitableInt

public WaitableInt(int initialValue)

Make a new WaitableInt with the given initial value, and using its own internal lock.

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WaitableInt

public WaitableInt(int initialValue,
                   java.lang.Object lock)

Make a new WaitableInt with the given initial value, and using the supplied lock.

Method Detail

set

public int set(int newValue)

Description copied from class: SynchronizedInt

Set to newValue.

Overrides:

set in class SynchronizedInt

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commit

public boolean commit(int assumedValue,
                      int newValue)

Description copied from class: SynchronizedInt

Set value to newValue only if it is currently assumedValue.

Overrides:

commit in class SynchronizedInt

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increment

public int increment()

Description copied from class: SynchronizedInt

Increment the value.

Overrides:

increment in class SynchronizedInt

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decrement

public int decrement()

Description copied from class: SynchronizedInt

Decrement the value.

Overrides:

decrement in class SynchronizedInt

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add

public int add(int amount)

Description copied from class: SynchronizedInt

Add amount to value (i.e., set value += amount)

Overrides:

add in class SynchronizedInt

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subtract

public int subtract(int amount)

Description copied from class: SynchronizedInt

Subtract amount from value (i.e., set value -= amount)

Overrides:

subtract in class SynchronizedInt

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multiply

public int multiply(int factor)

Description copied from class: SynchronizedInt

Multiply value by factor (i.e., set value *= factor)

Overrides:

multiply in class SynchronizedInt

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divide

public int divide(int factor)

Description copied from class: SynchronizedInt

Divide value by factor (i.e., set value /= factor)

Overrides:

divide in class SynchronizedInt

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whenEqual

public void whenEqual(int c,
                      java.lang.Runnable action)
               throws java.lang.InterruptedException

Wait until value equals c, then run action if nonnull. The action is run with the synchronization lock held.

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whenNotEqual

public void whenNotEqual(int c,
                         java.lang.Runnable action)
                  throws java.lang.InterruptedException

wait until value not equal to c, then run action if nonnull. The action is run with the synchronization lock held.

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whenLessEqual

public void whenLessEqual(int c,
                          java.lang.Runnable action)
                   throws java.lang.InterruptedException

wait until value less than or equal to c, then run action if nonnull. The action is run with the synchronization lock held.

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whenLess

public void whenLess(int c,
                     java.lang.Runnable action)
              throws java.lang.InterruptedException

wait until value less than c, then run action if nonnull. The action is run with the synchronization lock held.

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whenGreaterEqual

public void whenGreaterEqual(int c,
                             java.lang.Runnable action)
                      throws java.lang.InterruptedException

wait until value greater than or equal to c, then run action if nonnull. The action is run with the synchronization lock held.

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whenGreater

public void whenGreater(int c,
                        java.lang.Runnable action)
                 throws java.lang.InterruptedException

wait until value greater than c, then run action if nonnull. The action is run with the synchronization lock held.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> ematgine >> utils >> [ concurrent overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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